Which of the following has the greatest mass? Select one:
a. They all have the same mass.
b. One mole of gold.
c. One mole of mercury.
d. One mole of barium.

Imagine you are a business executive who wants to pursue an environment policy for your company that limits pollution and uses fewer raw materials but would cost more what might be the discussion to your next broad meeting how would you make your case to your shareholders